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<div class="title">src/inputParser/SingleLineInputParser.java</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="keyword">package </span>inputParser;
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="keyword">import</span> java.io.BufferedReader;
<a name="l00004"></a>00004 <span class="keyword">import</span> java.io.FileReader;
<a name="l00005"></a>00005 <span class="keyword">import</span> java.io.IOException;
<a name="l00006"></a>00006 <span class="keyword">import</span> java.util.ArrayList;
<a name="l00007"></a>00007 <span class="keyword">import</span> java.util.List;
<a name="l00008"></a>00008 
<a name="l00009"></a>00009 <span class="keyword">import</span> contextFree.grammar.GrammarFactory;
<a name="l00010"></a>00010 <span class="keyword">import</span> contextFree.grammar.IGrammar;
<a name="l00011"></a>00011 <span class="keyword">import</span> contextFree.grammar.Production;
<a name="l00012"></a>00012 
<a name="l00013"></a>00013 
<a name="l00014"></a>00014 <span class="keyword">import</span> error.ERROR_TYPE;
<a name="l00015"></a>00015 <span class="keyword">import</span> error.ErrorManager;
<a name="l00016"></a>00016 
<a name="l00023"></a><a class="code" href="classinput_parser_1_1_single_line_input_parser.html">00023</a> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classinput_parser_1_1_single_line_input_parser.html" title="Parse a single line grammar format.">SingleLineInputParser</a> <span class="keyword">extends</span> <a class="code" href="classinput_parser_1_1_abstract_input_parser.html">AbstractInputParser</a> {
<a name="l00024"></a>00024 
<a name="l00025"></a>00025         String S,file;
<a name="l00026"></a>00026         List&lt;Production&gt; P;
<a name="l00027"></a>00027         
<a name="l00028"></a>00028         <span class="keyword">public</span> <a class="code" href="classinput_parser_1_1_single_line_input_parser.html" title="Parse a single line grammar format.">SingleLineInputParser</a>() {
<a name="l00029"></a>00029                 file= null;
<a name="l00030"></a>00030                 S=null;
<a name="l00031"></a>00031                 P=null;
<a name="l00032"></a>00032         }
<a name="l00033"></a>00033         
<a name="l00034"></a>00034         <span class="keyword">public</span> <a class="code" href="classinput_parser_1_1_single_line_input_parser.html" title="Parse a single line grammar format.">SingleLineInputParser</a>(String in) {
<a name="l00035"></a>00035                 file= in;
<a name="l00036"></a>00036                 S=<span class="stringliteral">&quot;&quot;</span>;
<a name="l00037"></a>00037                 P=<span class="keyword">new</span> ArrayList&lt;Production&gt;();
<a name="l00038"></a>00038         }
<a name="l00039"></a>00039 
<a name="l00044"></a>00044         @Override
<a name="l00045"></a><a class="code" href="classinput_parser_1_1_single_line_input_parser.html#ad822676b0d3182a591e2004c3bcc79d5">00045</a>         <span class="keyword">public</span> <a class="code" href="interfacecontext_free_1_1grammar_1_1_i_grammar.html" title="Grammar Interface.">IGrammar</a> <a class="code" href="classinput_parser_1_1_single_line_input_parser.html#ad822676b0d3182a591e2004c3bcc79d5">parse</a>() throws Exception {
<a name="l00046"></a>00046                 String input=<span class="stringliteral">&quot;&quot;</span>;
<a name="l00047"></a>00047                 <a class="code" href="interfacecontext_free_1_1grammar_1_1_i_grammar.html" title="Grammar Interface.">IGrammar</a> result=null;
<a name="l00048"></a>00048                 <span class="keywordflow">try</span> {
<a name="l00049"></a>00049                         BufferedReader f = <span class="keyword">new</span> BufferedReader(<span class="keyword">new</span> FileReader(file));
<a name="l00050"></a>00050                         input = f.readLine();
<a name="l00051"></a>00051                         f.close();
<a name="l00052"></a>00052                         result = <a class="code" href="classinput_parser_1_1_single_line_input_parser.html#a90641140f8686fc97fd40b72beccf0a3" title="Execute the parse operation on the object.">parseString</a>(input);
<a name="l00053"></a>00053                 } <span class="keywordflow">catch</span> (IOException e) {
<a name="l00054"></a>00054                         <a class="code" href="classerror_1_1_error_manager.html">ErrorManager</a>.manage(<a class="code" href="enumerror_1_1_e_r_r_o_r___t_y_p_e.html">ERROR_TYPE</a>.INPUT_FILE,e);
<a name="l00055"></a>00055                 }
<a name="l00056"></a>00056                 
<a name="l00057"></a>00057                 <span class="keywordflow">return</span> result;
<a name="l00058"></a>00058         }
<a name="l00059"></a>00059         
<a name="l00066"></a><a class="code" href="classinput_parser_1_1_single_line_input_parser.html#a90641140f8686fc97fd40b72beccf0a3">00066</a>         <span class="keyword">public</span> <a class="code" href="interfacecontext_free_1_1grammar_1_1_i_grammar.html" title="Grammar Interface.">IGrammar</a> <a class="code" href="classinput_parser_1_1_single_line_input_parser.html#a90641140f8686fc97fd40b72beccf0a3" title="Execute the parse operation on the object.">parseString</a>(String input) <span class="keywordflow">throws</span> Exception {
<a name="l00067"></a>00067                         input=input.replaceAll(<span class="stringliteral">&quot; &quot;</span>, <span class="stringliteral">&quot;&quot;</span>);
<a name="l00068"></a>00068                         input=input.replaceAll(<span class="stringliteral">&quot;\\{&quot;</span>, <span class="stringliteral">&quot;&quot;</span>);
<a name="l00069"></a>00069                         input=input.replaceAll(<span class="stringliteral">&quot;\\}&quot;</span>,<span class="stringliteral">&quot;&quot;</span>);
<a name="l00070"></a>00070 
<a name="l00071"></a>00071                 String[] assioma_set = input.split(<span class="stringliteral">&quot;::=&quot;</span>);
<a name="l00072"></a>00072                 S = assioma_set[0];
<a name="l00073"></a>00073                 P = <span class="keyword">new</span> ArrayList&lt;Production&gt;(); 
<a name="l00074"></a>00074         
<a name="l00075"></a>00075                 String[] production = assioma_set[1].split(<span class="stringliteral">&quot;\\;&quot;</span>);
<a name="l00076"></a>00076                 <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0;i&lt;production.length;i++){
<a name="l00077"></a>00077                         String[] temp = production[i].split(<span class="stringliteral">&quot;\\:&quot;</span>);
<a name="l00078"></a>00078                         <span class="keywordflow">if</span>(temp.length!=2){
<a name="l00079"></a>00079                                 <a class="code" href="classerror_1_1_error_manager.html">ErrorManager</a>.manage(<a class="code" href="enumerror_1_1_e_r_r_o_r___t_y_p_e.html">ERROR_TYPE</a>.FILE_FORMAT);
<a name="l00080"></a>00080                                 <span class="keywordflow">return</span> null;
<a name="l00081"></a>00081                         }
<a name="l00082"></a>00082                         
<a name="l00083"></a>00083                         String[] tempP = temp[1].split(<span class="stringliteral">&quot;\\|&quot;</span>);
<a name="l00084"></a>00084                         
<a name="l00085"></a>00085                         <span class="keywordflow">for</span>(<span class="keywordtype">int</span> j=0;j&lt;tempP.length;j++){
<a name="l00086"></a>00086                                 P.add(<span class="keyword">new</span> <a class="code" href="classcontext_free_1_1grammar_1_1_production.html">Production</a>(temp[0],tempP[j]));
<a name="l00087"></a>00087                         }
<a name="l00088"></a>00088                 }
<a name="l00089"></a>00089 
<a name="l00090"></a>00090                 <span class="keywordflow">return</span> <a class="code" href="classcontext_free_1_1grammar_1_1_grammar_factory.html" title="An object factory that create a correct instance of grammar.">GrammarFactory</a>.createContextFreeGrammar(S,P);
<a name="l00091"></a>00091         }
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 }
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